silverstripe / silverstripe-cms

		)->setHTMLID('Form_AddForm');

		$form->setAttribute('data-hints', $this->SiteTreeHints());

		$form->setAttribute('data-childfilter', $this->Link('childfilter'));

		$form->setValidationResponseCallback(function() use ($negotiator, $form) {

			$request = $this->getRequest();

			if($request->isAjax() && $negotiator) {

				$form->setupFormErrors();

				$result = $form->forTemplate();

				return $negotiator->respond($request, array(

					'CurrentForm' => function() use($result) {

						return $result;

					}

				));

			}

			return null;

		});

		$form->addExtraClass('flexbox-area-grow fill-height cms-add-form cms-content cms-edit-form ' . $this->BaseCSSClasses());

		$form->setTemplate($this->getTemplatesWithSuffix('_EditForm'));

			new FieldList()

		)->setHTMLID('Form_ListViewForm');

		$listview->setAttribute('data-pjax-fragment', 'ListViewForm');

		$listview->setValidationResponseCallback(function() use ($negotiator, $listview) {

			$request = $this->getRequest();

			if($request->isAjax() && $negotiator) {

				$listview->setupFormErrors();

				$result = $listview->forTemplate();

				return $negotiator->respond($request, array(

					'CurrentForm' => function() use($result) {

						return $result;

					}

				));

			}

		});

		$this->extend('updateListView', $listview);